53541553 has 16 divisors (see below), whose sum is σ = 59679760. Its totient is φ = 47713536.

The previous prime is 53541541. The next prime is 53541559. The reversal of 53541553 is 35514535.

It can be written as a sum of positive squares in 8 ways, for example, as 4092529 + 49449024 = 2023^2 + 7032^2 .

It is a de Polignac number, because none of the positive numbers 2^k-53541553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53541559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75163 + ... + 75871.

It is an arithmetic number, because the mean of its divisors is an integer number (3729985).

Almost surely, 2^53541553 is an apocalyptic number.

It is an amenable number.

53541553 is a deficient number, since it is larger than the sum of its proper divisors (6138207).

53541553 is a wasteful number, since it uses less digits than its factorization.

53541553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916.

The product of its digits is 22500, while the sum is 31.

The square root of 53541553 is about 7317.2093724315. The cubic root of 53541553 is about 376.9036309674.

The spelling of 53541553 in words is "fifty-three million, five hundred forty-one thousand, five hundred fifty-three".